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Description

Don't break down when it's cold outside.

Cerium is the most abundant rare earth metal, decomposes slowly in cold water and rapidly in hot water. The Arc'teryx Mens' Cerium LT Hooded Down Jacket is not quite as prevalent as its namesake, but does slow your decomposition in cold weather. The combination of 850-fill European goose down and strategically placed Coreloft insulation keeps you warm whether you wear the Cerium alone or under a hardshell when you're confronted with a winter tempest most storm chasers avoid.
Bigger numbers are fun when it comes to betting odds and down insulation. A higher fill-power down, like the 850-fill used in the Cerium, refers to how much space a single ounce of down occupies. The more space taken up by the down means more air is trapped between the fibers. Trapped air creates a barrier between warm air from your body and cold air in the environment, so you stay warm when it's cold outside. Taking this logic one step further, if one ounce of a certain down takes up more space than a different type of down, it stands to reason you'll need less of the 'bigger' down to keep you warm, thus reducing the weight of your jacket. In essence, this jacket's high down fill makes it both light and warm.
Since down doesn't maintain its warmth when it gets wet, the folks at Arc'teryx placed synthetic insulation in the spots that are most likely to get a bit damp. Still, while Coreloft insulation does resist moisture better than down, and an ominous drizzle won't leave you a cold, soaking mess, it's best to pair this with a waterproof shell if you know the weather is coming.
This superlight hooded jacket comes with its own stuff sack so you can easily bring it along and so your pack stays organized. The same 850-fill down fills the low-profile StormHood so your melon stays warm. (Mom was right—if you keep your head covered, you'll stay warmer.) Two zippered hand pockets hold your keys and phone, trail map and candy, or your partner's ID and lip balm.

  • Lightweight Airetica shell, 10x20D ripstop nylon
  • DWR treated
  • 850-fill European goose down in core and hood
  • Coreloft synthetic insulation, 80 and 100 g/m2
  • Trim fit, hip length
  • Low-profile StormHood
  • 9.7 ounces (M)
  • Includes stuff sack

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Review Summary
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Arc'teryx Cerium LT Hooded Down Jacket - Men's

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Here's what others have to say...

4 5

My current go-to mid layer, for now...

  • Familiarity: I've put it through the wringer
  • Fit: True to size

So I got mine virtually right when they released them.. whenever it was in 2013. I've used it as a skiing insulation layer, winter camping, lots of alpine time, etc since then.

Good: The fit is nice, I never feel any sensation of 'riding up' or being too loose/baggy no matter the activity. I'm 6'1/170, and wear a medium. It's warmth to weight ratio is nice. It won't survive as stand-alone in the coldest of the cold, but in most brisk conditions I'm able to wear just a light base layer or light shirt, and throw this on to accommodate any degree of wind or chill-factor. The little looped stuff sack is a nice feature, which I frequently use to keep it compact and away from sharp objects tossed in my pack. When I first picked it up, I thought the soft pillow-y fabric would present a major snag factor on rocks and branches, and I'd end up with tears. So far, nothing to report, I've squeezed through tights spots, taken little tumbles, and caught it on plenty of things but the fabric seems pretty tough relative to how it feels.

The Bad: With so many comparable down/insulating mid layers out there by all major labels, I have wondered quite often if the premium price difference was worth it. That's speculative though, so I'll leave that alone, and just accept the arcteryx price. HOWEVER, my main complaint has got to be leaking down. Scrolling through reviews I see the same problem. Especially when you're using the stuff sack, hardly a time goes by I don't see at least a few feathers sticking out and floating around. Seems to happen at the seams. Ha. It's not in massive quantities, but still.

My current go-to mid layer, for now...
Responded on

Great review, thanks so much for sharing!
Nice pic too!

5 5

Very Impressed

  • Familiarity: I've used it several times
  • Fit: True to size

I spent a lot of time deliberating over which lightweight hooded down jacket to buy--I looked into several MontBell models, the Patagonia Ultralight Down Hoody, Feathered Friends Daybreak, MH Ghost Whisperer, and a handful of others. In the end, it came down to the Cerium LT for the following reasons:

-Fit: I am 6' 2" / 185 lbs / athletic build so I was looking for something cut for slimmer folk, and the Cerium is just that. I purchased the Large and it fits extremely well through the body and arms, with ample torso length for warmth but not too long that it would peek out from underneath a shell. There is definitely enough room for layering underneath, although I couldn't see wearing much more than a long sleeve baselayer under it unless it was extremely cold. The hood and collar also fit very well (but don't count on it working well with a helmet).

-Weight to Warmth Ratio: I wouldn't really consider this an ultralight down jacket, as there are several options out there that are 3-5 oz lighter for those whose absolute top priority is saving weight (including the new Cerium SL that Arc'teryx just released). However, even though it's near the middle of the spectrum in terms of weight, I feel that it strikes the ideal balance between weight and warmth. My large weighs in at 10.8 oz, which doesn't bother me at all to throw that in my pack knowing that I'll be toasty when the temperatures drop into the 40s and 30s and even lower. A side note: this jacket is probably too warm to use during aerobic activity, unless it's in very cold temps.

-Quality: I was a bit nervous about this jacket because it is Arc'teryx's first attempt at a down jacket, but after examining and using it I'm not worried about that at all. It is absolutely top-notch construction. Yes, the face fabric is a little fragile, and the zipper isn't that burly, but with a little care I could see this jacket easily lasting several years, which makes the investment worthwhile to me. Great purchase.

5 5

Great Jacket

  • Familiarity: I've used it several times

This is a light, comfortable, form fitting jacket. I use this as my warm layer for short backpacking trips (1-7 days) and it's great for keeping warm around camp. It fits really well for me with long arms and a skinny body.

The only downside is the price and there may be better values, but it's a great jacket.

5 5

amazing jacket!

  • Familiarity: I've used it several times
  • Fit: True to size

great down super light jacket perfect for the city as well as outside

Im 5'6 and 160lb with a chest size of 39"....

Posted on

Im 5'6 and 160lb with a chest size of 39". I'm guessing the medium would suit, but I'm considering the small due to not wanting excessive length in the arms. Any recommendations?

Best Answer Responded on

The Arc'teryx Cerium LT is based on a trim fit block. I would recommend the medium as I think a small would be too tight through the chest area. The difference in sleeve length is only 1", so you should be GTG.

5 5

Awesome Jacket

  • Familiarity: I've used it several times
  • Fit: True to size

I've taken this bad boy out on some cold days and it is freaking warm!

Definitely my go to jacket when it comes to staying warm.

5 5

Perfect!

  • Familiarity: I've used it several times
  • Fit: True to size

I looked hard for a replacement for my Patagonia down sweater and found it with this jacket! I have both the Patagonia Down Sweater hoody and the ultralight non-hoody, and this fits right in the middle from a weight perspective. I believe it is probably just as warm as the down sweater.

The cut is a bit on the small side and I needed to buy one-size larger. With my Beta AR I use a large, but in this I needed an XL(I'm 5'11/200 fairly muscular build). The fill is just right for 25-50 degree weather, and the color is awesome. Arc'teryx quality is really hard to beat. I have other Arc'teryx products and they all have that fine attention to detail and quality that I am willing to pay a little bit more for.

There are a few features that you need to be aware of when buying this. First, the main zipper is a little small and I could see the potential for failure. It has not been a problem for me, but just wanted to highlight. Second, there is no drawstring to sinch the bottom of the coat, but instead Arc'teryx opted for a more flat bottom. Not a bad idea, just sometimes want to draw in the bottom a bit more.

Lastly, I like the combination of synthetic and down fill. There is minimal use of synthetic, but I do wish they could have use the "treated" down for the rest of the jacket. Living in the Pacific Northwest means moisture, and this would have been a nice to have.

All in all, this is a great jacket and I believe if you are looking for mid-weight down coat (slightly lighter than the Patagonia Down Sweater but heavier that their ultralight) then this will work perfecdtly. Great job Arc'teryx!

5 5

boyfriend loves it

  • Familiarity: I gave it as a gift, but have feedback to share
  • Fit: True to size

Got it as a birthday present for the boyfriend and he loves it! It's his first down jacket, so I was being really picky about which to get. There is so much to choose from! One of the backcountry gearheads suggested the cerium, and I am happy that I took her advice. I was worried about the fit being too big (my guy has wide shoulders and a slim core), but the 'trim' fit works really well for him. Also, I think having a hood as an option is always smart.

I have an Atom SV but I am after something...

Posted on

I have an Atom SV but I am after something a little warmer for an insulation layer.

Will the Thorium be warmer than the Atom SV?

Responded on

My Atom SV, in real time use, is warmer than the Cerium LT Hoody. The Atom's construction gives it better wind protection, as does the addition of the hem drawcord.

4 5

Form Fitting, Warm and Light

  • Familiarity: I've used it several times
  • Fit: True to size

i am 6' 210lbs and wear a Large in this amazing jacket.

it is soo light and very warm. it fits great and i love this jacket. the only problem is i may have gotten a dud and arcteryx customer service has taken their sweet time with me. no response after 3 days. there is down poking through the seams on the right arm!

Form Fitting, Warm and Light
Responded on

This can happen with most down jackets, especially those with light weight fabrics. That is a big feather for 850 down...

Responded on

I have the same issue with my mountain hardwear ghost whisperer down jacket! Do you know which down jackets dont have this issue?Thanks!

Responded on

All down jackets have this issue, especially at the seams. If you don't want feathers poking out I cautiously recommend synthetic down. You won't have the advantages of real down but you also won't have feathers sticking out. I would take feathers sticking out any day over any alternative. You just can't beat the performance of real down.

5 5

Slim & Clean

  • Familiarity: I gave it as a gift, but have feedback to share
  • Fit: True to size

True to Arc'teryx fit, great for tall slender dudes. Would work well as a layering piece or on mild days around town.

5 5

Delighted Dad

  • Familiarity: I gave it as a gift, but have feedback to share
  • Fit: True to size

I got one of these in a ladies and loved it so much that I bought one for my pops! As I've already written a review on the lady version --> http://www.backcountry.com/arcteryx-cerium-lt-hooded-down-jacket-womens so I'll keep it brief here. My dad wears this while teaching his geologic field methods course here in SLC. It is freezing balls out here right now, and standing around helping students learn to take geologic measurements for hours on end doesn't tend to make things any warmer. Since he put this on, I haven't actually seen him take it off yet, and says he's never been warmer. Pictures to follow soon.

Responded on

I wanted to take it the other day! So toasty!

Responded on

Haha, maybe you should order one! He an I totally match now.

Anyone using this with a pack? I know its...

Posted on

Anyone using this with a pack? I know its designed as a mid layer, but anyone have any wierdeness where the straps of the pack rub? just curious

Responded on

I haven't noticed a problem with packs on my bike commute.

Best Answer Responded on

Tester,
I am assuming by "wierdness" you are referring to fast wear in the shoulder area. I typically wear my Cerium as an outer layer rather than a midlayer, and often with a decent sized pack. While the Cerium's fabric is necessarily light weight I have been impressed with out how sturdy it is. No signs of wear to the shoulders or anywhere else for that matter.

If someone is concerned about durability I would probably favor choosing the Thorium which has a 40D face farbic compared to 20D in the Cerium. The increased weight is not too substantial from Cerium to Thorium. But again, I have not seen any issues with durability in the Cerium anyway.

3 5

Meh

  • Gender: Male
  • Familiarity: I've put it through the wringer

Overall the jacket seems to be decent quality. Its warm in front and on the sides; the hood fits well. Mine does shed down, but it doesn't seem excessive. The feathers do come right through the face fabric though, not just the seems. My big complaint about this jacket is that the baffles in the back are very underfilled with down. The baffles in front and on the arms are well stuffed and puffy, but a lot of the baffles that span across my back have such a small amount of down in them they are completely "deflated" and feel like they're almost empty if squeezed/massaged. The back definitely feels colder and this is disappointing considering the price of this piece and the reputation of Arc'teryx. I tried calling the manufacturer to see if this was normal and I talked to a female on the phone who was surprisingly unhelpful. Also, I'm 6'2" and 170 and while the sleeves are just barely long enough and torso length seems almost too short, the jacket fits surprisingly roomy considering its supposed to be a trim fit. Hope this helps for anyone who is thin.

Update: After practically living in this thing for the past month I have more comments. I've been climbing extensively in this jacket in Red Rock and Joshua Tree. The face fabric has held up great to frequent use with a pack and harness, and inevitable abrasion on rock while climbing. I have jammed the sleeves in cracks numerous times and done a few chimney moves in the jacket. There is no visible wear at all.
It does continue to shed feathers every day I wear it, but I don't think its of much concern. If the back baffles weren't so under filled I would rate this jacket a perfect 5 stars.

Responded on

I personally do not have any down coming out the face fabric in mine. The bottom part of the back seems to have very little down in mine as well but I think its the core loft and not that actual down. I have stuffed this jacket and took it on a trip and it performed awesome. Personally its better than the competition by far. I was looking at a north face diem jacket back in the day and i brought it to the register and found a whole where down was coming out of. I tried on mountain hardware ghost whisperer and that thing had down just flying out of it as well. I used to have a spyder dolomite hoody and that thing ripped in 1 month of normal use.

5 5

Very warm!

  • Familiarity: I've used it several times
  • Fit: True to size

I wore this jacket yesterday in 20 degrees with just a base layer and stayed toasty. Fit's great and is very light. I'm not having issues with feathers coming out like some of the other customers.

Responded on

True that. Crazy winter here and I wear this jacket with a t-shirt and its freaking awesome.

5 5

Great fit, very warm!

  • Familiarity: I've used it several times
  • Fit: True to size

I have put it through some very cold 5 degree high wind temps with snow etc. Wearing a T shirt under it, and couldn't feel the cold! The hood is an awesome fit, I bought Large. I am 5'9" 185 lbs, athletic build, broad shoulders. It's a "good snug" fit, I can fit a 100 weight fleece under it and still be comfortable, but you don't need it. Understand their fit guide, this is Alpine fit, which means runs smaller. It fits very very similar to the Atom LT/SV. If you can afford it, get it! Arcteryx lives up to their name with this one.

5 5

Great lightweight WARM down jacket.

  • Familiarity: I gave it as a gift, but have feedback to share
  • Fit: True to size

I gave this as a gift, but from playing around with the jacket I could tell how nice it is. 850 down is extremely warm, yet the jacket isn't too thick or puffy. Could wear this under a shell, or your outerlayer while skiing. The DWR coating is water resistant but if you're going out in a storm make sure to grab a waterproof shell of some sort, this jacket won't stay dry in a downpour. All fits into a stuff sack in the left pocket. Compresses super small and is great for traveling and backpacking. Highly suggest this jacket to anyone.

5 5

Like a Glove

  • Familiarity: I've used it several times
  • Fit: True to size

I am 6'1'' and about 165, I ordered a medium and it fits exactly how I wanted it to. Its snugish against my body and the arm length is perfect. It goes to right below my waist and thats the fit I wanted. The 850 down fill is crazy warm. If you layer with it, its going to keep you warm in any weather mama nature has to throw your way. Dwr coating is nice but I can tell that after a long while it would get wetted out fast. The think I like the best is it is amazingly light. Weighs almost nothing and compresses well. The one thing I wish it had was another pocket somewhere above the waist so if you wear it belaying you could still have a pocket or two to use. Besides that I am stoked on this jacket.

Like a Glove

this jacket is so light i find it hard to...

Posted on

this jacket is so light i find it hard to believe it will keep me warm so let see how it works: it's about 20 outside right now with a very slight windchill to 17. Having gone out for a tester walk around the block, in just a Tee, i can feel some air get in from the cuffs since it's only elastic. i can also say this jacket lets the NorthEast winter cut right through. If i had a warmer base layer, maybe it'd be OK.
I cannot seem to find something that works - everything seems to be Light Weight. I tried the Marmot Guide Hoody but didn't find it warm either. What's a good jacket between this ArcTeryx & the LLBean Ascent with Windstopper?

Responded on

PL,
You have a fantastic jacket on your hands there but it is important to recognize its intended purpose and potential limitations. As the LT in the name denotes, this is designed to be a high quality lightweight down jacket. You can wear it as an outer layer during clement conditions, but in harsher wind and snow I would definitely layer it under an outer shell. This jacket does not claim to have any sort of windblocking membrane. If you are looking for a down jacket that can stand alone in the harshest of conditions I would suggest the Arc'teryx Therme Parka.

Responded on

Hi PL, I think your best bet is going to be something that has both baffled down and a wind-blocking exterior. The Cerium is quilted, meaning that the horizontal pockets that hold the down are sewn through both sides--a baffled down coat uses what essentially is mosquito netting to suspend the down on the inside and create a jacket without any cold spots. I would recommend something like the Marmot Shadow, which is warm, baffled, windproof, and comfy too. Check it out here:

http://www.backcountry.com/marmot-shadow-jacket-mens?ti=U2VhcmNoIFJlc3VsdHM6bWFybW90IHNoYWRvdzoxOjE6bWFybW90IHNoYWRvdw

Hope this helps!

Responded on

i think the shadow is a great recommendation, but i would like to make a different point. unless you already have a great waterproof jacket, you can save money and buy a shell to layer over your down jacket on wet and windy days, and wear alone with the mercury isn't too low. also, it doesn't sound like you'd like any light weight insulated jackets, so look for jackets in the 2 pound and up range to get lots of warmth. the trade off is they'll be bulkier.

Responded on

I have been wearing my Cerium in 14 degree weather with just a t-shirt on and had no issues. its So warm.

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